Europa World
Covers political and economic information on over 250 countries and territories, from Afghanistan to Zimbabwe

Gapminder
Promotes sustainable global development and achievement of the United Nations Millennium Development Goals. Allows access to and crosstabulating of over 200 datasets.

Google Public Data Explorer
Makes large datasets easy to explore, visualize and communicate. Includes visualizations for data from the World Bank, OECD, Eurostat, the United Nations Development Programme (UNDP) and more.

UNData
United Nations data search allows you to search across multiple sources such as UNESCO, Food and Agriculture Organization, etc.

UNESCO
Statistics and reports from United Nations Educational, Scientific, and Cultural Organization. Click on Worldwide from the menu and select a UNESCO region to pull up various countries.

World Bank
Select a country from the Countries menu button and find statistics, publications, and special reports related to that country.

The Tree of Life
A distributed Internet project containing information about phylogeny and biodiversity.